1 files changed, 47 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_startup_enable.js b/toolkit/mozapps/extensions/test/xpcshell/test_startup_enable.js
new file mode 100644
index 0000000000..9b36c48ebb
--- /dev/null
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_startup_enable.js
@@ -0,0 +1,47 @@
+createAppInfo("xpcshell@tessts.mozilla.org", "XPCShell", "1", "1");
+BootstrapMonitor.init();
+
+// Test that enabling an extension during startup generates the
+// proper reason for startup().
+add_task(async function test_startup_enable() {
+  const ID = "compat@tests.mozilla.org";
+
+  await promiseStartupManager();
+
+  await promiseInstallWebExtension({
+    manifest: {
+      applications: {
+        gecko: {
+          id: ID,
+          strict_min_version: "1",
+          strict_max_version: "1",
+        },
+      },
+    },
+  });
+
+  BootstrapMonitor.checkInstalled(ID);
+  BootstrapMonitor.checkStarted(ID);
+  let { reason } = BootstrapMonitor.started.get(ID);
+  equal(
+    reason,
+    BOOTSTRAP_REASONS.ADDON_INSTALL,
+    "Startup reason is ADDON_INSTALL at install"
+  );
+
+  gAppInfo.platformVersion = "2";
+  await promiseRestartManager("2");
+  BootstrapMonitor.checkInstalled(ID);
+  BootstrapMonitor.checkNotStarted(ID);
+
+  gAppInfo.platformVersion = "1";
+  await promiseRestartManager("1");
+  BootstrapMonitor.checkInstalled(ID);
+  BootstrapMonitor.checkStarted(ID);
+  ({ reason } = BootstrapMonitor.started.get(ID));
+  equal(
+    reason,
+    BOOTSTRAP_REASONS.ADDON_ENABLE,
+    "Startup reason is ADDON_ENABLE when re-enabled at startup"
+  );
+});